{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11440",
    "entityType": "User",
    "nonce": "0x42ad81a2d574ff7f8f53ad7ec6f4d5f2208468add36528273d9b89cfef926fc0",
    "signature": "0x393fec8a8ffbbdbe8516e6d614433e7612f63723d617158baa13796bada936ef72795eabf255c2737e6f3c9359234e05eeffa3864ec526300bfd0d3bf5de5aac1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}